Ink cartridge



FIG. 1 is a top perspective view of an ink cartridge;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is an opposite side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The portions of the article in broken lines are shown for illustrative purposes only and form no part of the claimed design. 

CLAIM An ornamental design for an ink cartridge, as shown and described. 